THREAD CUTTING 2 - Quiz

1) What is the relationship between pitch and lead of a single start thread?

Lead is twice the pitch Lead is half the pitch Lead is equal to pitch Lead is 1/4 pitch

2) What is the depth of 0.5 inch BSW 13TPI single start thread?

0.025" 0.038" 0.049" 0.082"

3) Calculate change gears to cut a three start thread having a pitch of 1.5 mm; the lead screw has a pitch of 6 mm.

Driver 45 teeth, Driven 60 teeth Driver 60 teeth, Driven 50 teeth Driver 30 teeth, Driven 70 teeth Driver 50 teeth, Driven 100 teeth

4) Where multistart threads are used?

For easy alignment For quick transmission For easy engagement For general fastening

5) Calculate pitch diameter of f 24 x 3 mm square thread?

21 mm 21.5 mm 22.5 mm 24 mm